improve error messages (remove \n, use __func__, etc)

Remove traces of -D flag, which no longer does anything.

Add quotadump(8), which is a link to repquota, and quotarestore(8),
which is new. Includes man page updates. Approved by releng for
freeze.

Remove unneeded #include.

Simplify elaborate calls to quota_check_limit().

Reimplement repquota -x to print in tabular form instead of XML.

Fix unsightly botch in repquota's heading output.

More cleanup of repquota. For now we're going to compile in the number
of possible ID and object types, as making those numbers non-constant
requires a major rework.

This removes all dependence on q

More cleanup of repquota. For now we're going to compile in the number
of possible ID and object types, as making those numbers non-constant
requires a major rework.

This removes all dependence on quotaprop.h except for the code for
dumping the quota information as a blob of quota RPC XML packets. That
needs to go too and be replaced with a tabular dump format, but one
thing at a time.

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Remove the explicit fallback direct file access code from repquota and
rely on libquota.

Make repquota use the libquota cursor interface.

More work on repquota.
- open quotahandles, pass them around, use them for metadata
- split up some of the proplib code

Begin cleaning up repquota.

Rename struct ufs_quota_entry -> struct quotaval.

Fix an implementation inconsistency with the prop_*_send_syscall() and
prop_*_recv_syscall() functions from proplib(3). They now share the
same logic as the one from prop_*_send_ioctl() functions:
-

Fix an implementation inconsistency with the prop_*_send_syscall() and
prop_*_recv_syscall() functions from proplib(3). They now share the
same logic as the one from prop_*_send_ioctl() functions:
- returns an int
- 0 indicates "no error", otherwise returns the error number (and
set errno)

Many consumers of the prop_*_{ioctl, syscall} expect errno to be set
on error and use err() to display the error message. As such, ensures that
errno gets set before returning from these functions.

prop_*_send_syscall() functions returned a boolean, and now return an int.
Fix all call sites to use the new paradigm (only quota2 is affected in src).

As the prop_*_{send,recv}_syscall() API appeared in -current and is only
used by the recent quota2 code, I am not bumping the lib. The API change
only affects the prop_*_send_syscall() function (recv_syscall()s were
already used correctly), so ensure you are not mixing "old" -current
quota binaries with a new proplib(3) (or the other way around). This
change will be announced via a HEADS-UP and UPDATING.

Does not affect the kernel part of proplib.

Document the correct API in prop_array(3) and prop_dictionary(3).

Thanks to Francois Tigeot for noticing the API inconsistency and
reporting it on tech-kern@.

ok bouyer@.

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Make sure to not report quotas for a class if we didn't get valid datas
from kernel.

Add a new libquota library, which contains some blocks to build and/or
parse quota plists; as well as a getfsquota() function to retrieve quotas
for a single id from a single filesystem (whatever fil

Add a new libquota library, which contains some blocks to build and/or
parse quota plists; as well as a getfsquota() function to retrieve quotas
for a single id from a single filesystem (whatever filesystem this is:
a local quota-enabled fs or NFS). This is build on functions getufsquota()
(for local filesystems with UFS-like quotas) and getnfsquota();
which are also available to userland programs.
move functions from quota2_subr.c to libquota or libprop as appropriate,
and ajust in-tree quota tools.
move some declarations from kernel headers to either sys/quota.h or
quota/quota.h as appropriate. ufs/ufs/quota.h still installed because
it's needed by other installed ufs headers.
ufs/ufs/quota1.h still installed as a quick&dirty way to get a code
using the old quotactl() to compile (just include ufs/ufs/quota1.h instead of
ufs/ufs/quota.h - old code won't compile without this change and this is
on purpose).
Discussed on tech-kern@ and tech-net@ (long thread, but not much about
libquota itself ...)

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Don't use the same char b0[] for BLOCK and FILE timeprt(), they would
override each others.

more code deduplication

- KNF
- merge code
- fix error printing
- don't use static buffers

merge the bouyer-quota2 branch. This adds a new on-disk format
to store disk quota usage and limits, integrated with ffs
metadata. Usage is checked by fsck_ffs (no more quotacheck)
and is covered by

merge the bouyer-quota2 branch. This adds a new on-disk format
to store disk quota usage and limits, integrated with ffs
metadata. Usage is checked by fsck_ffs (no more quotacheck)
and is covered by the WAPBL journal. Enabled with kernel
option QUOTA2 (added where QUOTA was enabled in kernel config files),
turned on with tunefs(8) on a per-filesystem
basis. mount_mfs(8) can also turn quotas on.

See http://mail-index.netbsd.org/tech-kern/2011/02/19/msg010025.html
for details.

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Make block fields one char wider; allows to sanely display quotas up to
99.9GB while still fitting 80 columns.
Something else needs to be found for the long term ...

Fix -Wcast-qual issues

Remove the \n and tabs from the __COPYRIGHT() strings.
Tweak to use a consistent format.

make sure there is space between the username and next field when
username is longer than 9 characters

Homogenize usage messages: make the 'usage' word all lowercase, as this seems
to be the most common practice in our tree.